Frequencies for first 10,000 rows of alc_res variable in person dataset :

    ALCOHOL |
       TEST |
    RESULTS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,485       14.85       14.85
          1 |         20        0.20       15.05
          2 |         35        0.35       15.40
          3 |         23        0.23       15.63
          4 |         34        0.34       15.97
          5 |         18        0.18       16.15
          6 |         29        0.29       16.44
          7 |         26        0.26       16.70
          8 |         35        0.35       17.05
          9 |         30        0.30       17.35
         10 |         37        0.37       17.72
         11 |         45        0.45       18.17
         12 |         46        0.46       18.63
         13 |         66        0.66       19.29
         14 |         38        0.38       19.67
         15 |         53        0.53       20.20
         16 |         53        0.53       20.73
         17 |         47        0.47       21.20
         18 |         52        0.52       21.72
         19 |         44        0.44       22.16
         20 |         53        0.53       22.69
         21 |         37        0.37       23.06
         22 |         57        0.57       23.63
         23 |         38        0.38       24.01
         24 |         45        0.45       24.46
         25 |         29        0.29       24.75
         26 |         22        0.22       24.97
         27 |         18        0.18       25.15
         28 |         23        0.23       25.38
         29 |         28        0.28       25.66
         30 |         24        0.24       25.90
         31 |         11        0.11       26.01
         32 |         12        0.12       26.13
         33 |         13        0.13       26.26
         34 |         12        0.12       26.38
         35 |          8        0.08       26.46
         36 |          3        0.03       26.49
         37 |          3        0.03       26.52
         38 |          4        0.04       26.56
         39 |          2        0.02       26.58
         40 |          7        0.07       26.65
         41 |          1        0.01       26.66
         42 |          2        0.02       26.68
         45 |          2        0.02       26.70
         46 |          1        0.01       26.71
         56 |          1        0.01       26.72
         95 |         15        0.15       26.87
         96 |      6,385       63.85       90.72
         97 |        461        4.61       95.33
         99 |        467        4.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016